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Fix uninitialized memory read in VFD #374

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merged 1 commit into from
Mar 17, 2022
Merged

Fix uninitialized memory read in VFD #374

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3 changes: 1 addition & 2 deletions adapter/vfd/H5FDhermes.c
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Original file line number Diff line number Diff line change
Expand Up @@ -375,7 +375,7 @@ H5FD__hermes_open(const char *name, unsigned flags, hid_t fapl_id,
int o_flags; /* Flags for open() call */
struct stat sb;
const H5FD_hermes_fapl_t *fa = NULL;
H5FD_hermes_fapl_t new_fa;
H5FD_hermes_fapl_t new_fa = {0};
char *hermes_config = NULL;
H5FD_t *ret_value = NULL; /* Return value */

Expand Down Expand Up @@ -898,7 +898,6 @@ static herr_t H5FD__hermes_write(H5FD_t *_file, H5FD_mem_t H5_ATTR_UNUSED type,
start_page_index = addr/blob_size;
end_page_index = addr_end/blob_size;

/* Assume only using one page now */
for (k = start_page_index; k <= end_page_index; ++k) {
char k_blob[LEN_BLOB_NAME];
snprintf(k_blob, sizeof(k_blob), "%zu\n", k);
Expand Down